generic Y02 Rainbow Lighting Bluetooth 5.0+EDR Headphone Bluetooth Headset  (Over the Ear)

‘-Bluetooth Version V5.0 -USB Charging : DC5V IN -Wireless Frequency 2.40 1-2GHz-2.480 GHz -FM Frequencey: 8.7-108MHz -Power ? 4 dBm, Class 2 -Effective range 10M -Sensitivity 110db / MW -Frequency response 20Hz-20kHz -Distortion 0.10% -Speaker size 40mm -Voltage 3.7vdc (360 mAh rechargeable battery) -Talking time 8 hour -Music time 6 hour -Standby time 100 hours -Charging time 1 hours -Battery Capacity: 400mah -Operate temperature -4 ~ + 131 ? F (-20 ~ + 55 ? C) Features: -Bluetooth + MP3 function support stereo music playing, phone calling… -Support all audio devices that have Bluetooth capability, such as, cell phone ,tablet PC,laptop,computer etc -3.5mm audio jack, provides a simple wired connection of a variety of devices without Bluetooth. -Allow you to answer or reject phone calls anytime and anywhere. -Charged via USB, rechargeable battery, convenient and practical. -Playing time up to 8~9 hours, and continue talk time up to 8 hours, standby time up to 100 hours. -Good quality, foldable design and adjustable length hinges, very comfortable to wear and easy to carry. -Best choice for listening music, watching movie, chatting online etc -With SD card insert,without any bluetooth device,can still enjoy music any time any where